Explore Books on
agricultural extention work

Yi jiu wu wu nian Zhejiang nong cun gong zuo jing yan hui bian

By Zhong gong Zhejiang Sheng wei. Ban gong ting

Nong ye tui guang xue ming ci

By Guo li bian yi guan (China)

Extention education and agriculture development

By B. K. Pattanaik